`workspace` and `keyboard` feature flags have some incorrect cross-dependency

[JakeStanger]

Describe the bug Enabling one of workspace or keyboard without the other fails to compile due to some incorrect/missing feature flags.

Expected behavior You should be able to independently enable either feature flag.

System information:

• Ironbar version: 68ccc7a

Additional context

Raised here: https://github.com/JakeStanger/ironbar/pull/855#issuecomment-2632505664